Hemimegalencephaly with intractable epilepsy: A case report

Prem Chand, Muhammad Faraz Raghib, Muhammad Sohail Salat, Fazal Manzoor Arain

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


Isolated Hemimegalencephaly (iHME) is a rare form of congenital malformation of cortical development. It is characterized by enlargement of all or part of one cerebral hemisphere. It typically presents with intractable seizures, mental retardation, developmental delay, contralateral hemiparesis and hemianopia. The patient was a five and half month's old baby girl who presented first with focal seizures at 10th day of life. No other physical or behavioral abnormality was noted. However, Initial EEG showed excessive sharp EEG transients more over the right hemisphere, repeated EEG showed spikes, polyspikes, sharps and slow wave discharges predominately over right hemisphere. MRI brain showed asymmetric enlargement of the right cerebral hemisphere, suggestive of hemimegalencephaly. Initial treatment with anti-epileptics was successful in controlling the seizures but later on the seizures became intractable even on polytherapy. Identification of this and similar cases of iHME can help us better understand this disorder and its associated symptoms and eventually help us develop better treatment options for it.

Original languageEnglish
Pages (from-to)1444-1446
Number of pages3
JournalJournal of the Pakistan Medical Association
Issue number9
Publication statusPublished - Sept 2017


  • Hemimegalencephaly
  • Hemiparesis
  • Hemispherectomy
  • Intractable epilepsy


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